News articles about "Electrons"

In a recent study involving researchers from Ludwig Maximilians Universitaet LMU in Munich the desorption of oxygen molecules from a silver surface was successfully visualized for the first time The effects account for the shortcomings ... - Read More

A chip scale device that both produces and detects a specialized gas used in biomedical analysis and medical imaging has been built and demonstrated at the National Institute of Standards and Technology NIST Described in ... - Read More

Scientists at the U S Department of Energy's Argonne National Laboratory have discovered a previously unknown phase in a class of superconductors called iron arsenides This sheds light on a debate over the interactions between ... - Read More

Michael Lewis's bestselling book Flash Boys describes how some brokers engaging in high frequency trading exploit fast telecommunications to gain fraction of a second advantage in the buying and selling of stocks But you don't ... - Read More

Photocatalysis catalysis assisted by light is a promising route to convert solar energy into chemical fuels Particularly appealing is the possibility to use photocatalysis to split water molecules into molecular hydrogen Although photocatalysis has been ... - Read More

They shed light on atomic and molecular processes ultrashort laser pulses are required to study extremely fast quantum phenomena For years scientists have been trying to tune the shape of light waves so as to ... - Read More

Caltech researchers have found a way to make measurements that go beyond the limits imposed by quantum physics Today we are capable of measuring the position of an object with unprecedented accuracy but quantum physics ... - Read More

Magnetic devices like hard drives magnetic random access memories MRAMs molecular magnets and quantum computers depend on the manipulation of magnetic properties In an atom magnetism arises from the spin and orbital momentum of its ... - Read More

Graphene a one atom thick form of the carbon material graphite has been hailed as a wonder material strong light nearly transparent and an excellent conductor of electricity and heat But a number of practical ... - Read More

For the first time scientists have a clearer understanding of how to control the appearance of a superconducting phase in a material adding crucial fundamental knowledge and perhaps setting the stage for advances in the ... - Read More

The icing on the cake for semiconductor nanocrystals that provide a non damped optoelectronic effect may exist as a layer of tin that segregates near the surface One method of altering the electrical properties of ... - Read More

A University of Arizona led team of physicists has discovered how to change the crystal structure of graphene more commonly known as pencil 'lead' with an electric field an important step toward the possible use ... - Read More

Materials that can be used for thermoelectric devices those that turn a temperature difference into an electric voltage have been known for decades But until now there has been no good explanation for why just ... - Read More

An international team of scientists led by physicists at the University of Arkansas has tracked the dynamic movement of ripples in freestanding graphene at the atomic level This discovery advances the fundamental understanding of one ... - Read More

For the observation of cold matter in the interstellar medium astronomers need instruments for the detection of terahertz radiation Specific high resolution instruments are based on terahertz quantum cascade lasers but operate only at cryogenic ... - Read More

A new version of spaser technology being investigated could mean that mobile phones become so small efficient and flexible they could be printed on clothing A team of researchers from Monash University's Department of Electrical ... - Read More

When chemist Tehshik Yoon looks out his office window he sees a source of energy to drive chemical reactions Plants learned to synthesize chemicals with sunlight eons ago Yoon came to the field a bit ... - Read More

Research from North Carolina State University finds that impurities can hurt performance or possibly provide benefits in a key superconductive material that is expected to find use in a host of applications including future particle ... - Read More

Perimeter Associate Faculty member Sung Sik Lee is a condensed matter physicist but he has his eye on quantum gravity Lee lays out the problem Physics has one theory to describe how planets orbit the ... - Read More

Usually chemical reactions just take their course much like a ball rolling downhill However it is also possible to deliberately control chemical reactions at the Vienna University of Technology molecules are hit with femtosecond laser ... - Read More

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